Feature:1. DC Connector Specifications: This adapter features a 5.5mm x 2.5mm DC plug, with an outer diameter of 5.5mm and an inner diameter of 2.5mm. The polarity is configured as follows, the outer part is negative, and the inner part is positive.2. Power Cable Length: The power cable measures 93cm (36.61 inches) in length. Please verify that this length meets your requirements prior to purchase.3. Multiple Applications: LED billboard, LED display, luminous characters, light bar, light strip module, security, scientific research equipment, LED lighting, industrial control equipment, power equipment, instrumentation, semiconductor refrigeration and heating, air purifiers, electronic refrigerators, computer case, TVs, 2.5 inch mobile hard disk, Mobile DVD, charging equipment, MP3 MP4 and other kinds of home or portable equipment.4. High Security: This adapter is equipped with over temperature prevention, short circuit prevention, under voltage prevention, over voltage prevention, and over current prevention to guarantee security and longevity.5. Specifications: The AC input is 50 to 60Hz, and the DC output is 12V at 2A. For best performance and to avoid damage, it is recommended to operate the adapter at no more than 80% of its maximum load. Do not overload!Specification:Item Type: DC Power Supply Adapter Material: ABSOutput DC Connector: OD 5.5mm / 0.22in x ID 2.5mm / 0.1in, with a card spring can also be used 5.5x2.1cm / 2.2x0.8inCable Length: 93cm / 36.61in.Package List:1 x DC Power Supply Adapter